| GAO Rong-long,XIANG Ke-you,LIN Jian-hua,XU Liang,LAN Yu-liang,SHAO Yan-jing,ZHU Li-qun.Research Progress of Adding Third Element and Nano-particle into Zn-Ni Alloy Coating[J],47(10):262-268 |
| Research Progress of Adding Third Element and Nano-particle into Zn-Ni Alloy Coating |
| Received:June 11, 2018 Revised:October 20, 2018 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2018.10.035 |
| KeyWord:Zn-Ni alloy coating third element nano-particle composite plating corrosion resistance |
| Author | Institution |
| GAO Rong-long |
1.Zhuhai Master Metal & Plastic Co., Ltd, Zhuhai , China |
| XIANG Ke-you |
1.Zhuhai Master Metal & Plastic Co., Ltd, Zhuhai , China |
| LIN Jian-hua |
1.Zhuhai Master Metal & Plastic Co., Ltd, Zhuhai , China |
| XU Liang |
1.Zhuhai Master Metal & Plastic Co., Ltd, Zhuhai , China |
| LAN Yu-liang |
1.Zhuhai Master Metal & Plastic Co., Ltd, Zhuhai , China |
| SHAO Yan-jing |
2.CISRI Boyuan Publishing Co., Ltd, Beijing , China |
| ZHU Li-qun |
3.School of Materials Science and Engineering, Beihang University, Beijing , China |
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| Abstract: |
| The work introduces the electroplating Zn-Ni alloy coating of steel parts widely used in the automotive, aerospace and other industries and the better corrosion resistance and catalytic properties of zinc-nickel ternary alloy coating obtained by adding Fe, Co, Mn, Ce, P and other third elements to alkaline, chloride and other zinc-nickel alloy plating solution. The progress of adding nano-particles of silicon oxide, cerium oxide, titanium oxide, aluminum oxide and SiC into the Zn-Ni alloy plating bath is also introduced. The zinc-nickel composite coating containing nano-particles has higher corrosion resistance and wear resistance, high hardness, thermal stability, etc. The new research progress of multilayer coatings added with the third element and nano-particles in Zn-Ni alloy electroplating since 2016 is also introduced. Ni-P and Zn-Ni alloy multi-layer coatings deposited from Zn-Ni single bath can form Ni-P coating at low current density; while at higher current density, a Zn-Ni-P alloy coating with 3.2wt% P element can be deposited, thus greatly improving the corrosion resistance of steel parts. In addition, Ni-Co-SiC nano-composite plated on Zn-Ni containing Ni 12wt% is also introduced. This multi-layer structure can improve the adhesion of the coating and the corrosion resistance in 3.5wt% NaCl, and form a new attractive Zn-Ni alloy composite coating with high hardness and low wear. |
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